| HC-15型大直径环状取心潜孔锤钻具结构的改进设计 |
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| 引用本文：郑治川,殷琨,曹品鲁.HC-15型大直径环状取心潜孔锤钻具结构的改进设计[J].钻探工程,2007,34(5):40-42.. Structural Improvement Design of HC - 15 Large-diameter DTH of Annular Coring Drilling System[J]. Drilling Engineering, 2007,34(5):40-42. |
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| 郑治川 殷琨 曹品鲁 |
| 吉林大学建设工程学院,吉林长春130026 |
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| 中文摘要:针对HC-15型大直径环状取心潜孔锤配风盒存在结构复杂、难以加工、密封性能差、局部维修困难的问题，设计采用配气罐来代替配风盒，结构简单，易于加工，不但密封性能好，强度可靠，而且易于拆卸，局部维修方便，大大降低了生产成本。 |
| 中文关键词:HC-15型大直径环状取心潜孔锤 配风盒 配气罐 |
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| Structural Improvement Design of HC - 15 Large-diameter DTH of Annular Coring Drilling System |
| ZHENG Zhi- chuan YIN Kun CAO Pin-lu |
| College of Construction Engineering, Jilin University, Changchun Jilin 130026, China |
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| Abstract:The drilling technology of HC-15 large-diameter down the hole hammer(DTH) of annular coring drilling system is effective to improve the drilling efficiency and to solve the drilling problem of large-diameter pile hole in hard rock.This drilling system adopts distribution pot instead of air distribution case,so the structure of this new type is simple to made,easy to disassemble with good sealing performance. |
| keywords:HC - 15 large-diameter down the hole hammer of annular coring air distribution case distribution pot |
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